MEMO
To: Debbie Smith, Gears Are Us, Inc
From:
Date: 1/29/16
Re: 2nd Quarter Sales By Division Bar Graph
_
I am sending this memo out in response to the 2 nd Quarter Sales By Division bar graph. This is a great start to presenting the
information that is

ATCH 2090
Assignment 11-2 Actual Research Hypothesis
Name:
1. Indicate the name of the article, authors, date of the article, and which journal in which it was
published. Make sure someone else has enough information to find it.
Report Targets 3rd Grade

ATCH 2090
Assignment 11-1 Creating a Hypothesis
Name:
1. What is the scenario that you would like to research?
The accademic success a child experiences if they attend pre-school.
2. Which two variables are involved?
Variable 1: If the child attends pre-

9-3
Event Relations Situations
Situation 1
For two events A and B, the following probabilities are given.
It should be noted that Events A and B are mutually exclusive.
P(A) = .75
P(B) = .25
Use the appropriate laws of probability to calculate
1. ( )=(
)=

8-1 Tree Diagram
1
8-1 Tree Diagram
Problem 1:
Using a tree diagram, compute the probability of getting a heads on 1 flip of the coin.
1A - Show the tree diagram
Toss a coin once
Record heads as H
Record tails as T
1B - Show the probability computation
Pr

1
8-2 Probability
Situation 1
A local store will select one day of the week for an end-of-year sale. Assume that the weekdays,
Monday through Friday, are equally likely and that each weekend day, Saturday and Sunday, is
twice as likely as a weekday to be